Home / 705,243.87-1,057,832.97-172,736.73

Finding the Fourth Proportional to 705,243.87, 1,057,832.97 and 172,736.73

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Solution

The fourth proportional to 705,243.87, 1,057,832.97 and 172,736.73 is: 259,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,243.87 : 1,057,832.97 = 172,736.73 : x
  2. Step 2: Convert to fraction form
    705,243.87/1,057,832.97 = 172,736.73/x
  3. Step 3: Cross multiply
    705,243.87x = 1,057,832.97 × 172,736.73
  4. Step 4: Simplify right side
    705,243.87x = 182,726,608,123.99
  5. Step 5: Solve for x
    x = 182,726,608,123.99/705,243.87
  6. Step 6: Final answer
    x = 259,097.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.